The model includes the complete temporary mandibular joint and realisticanatomy.The horizontal impacted wisdom tooth is used for anesthesia and toothextraction.The soft gingiva is made of import transparent silicon rubber.Import resinteeth.Import quartz rubber plate.features :1) Audio & Light Signal indicates when correct position and angle injection is achieved. Audio signal can be turned off for testing and evaluation purposes.Total 13 Sensors Anesthetic Point Contact2) Battery-powered audio signal and light signal indicates when correct position and angle injection is achieved3) 3.5' feet electric Cable connecting Simulator with and Electronic Indicator Unit.4) Indicator Unit Powered .....2 AA-size batteries5) Gingiva - Clear Pink upper and lower gingivas (included) allow view of Injection Procedure,making it ideal for beginning students.6) Simulator Comes with 32 removable anatomically shaped Teeth7) Phantom Head Is Not Necessary .... Simulator Can be used without PhantomPhantom Head ( not included - optional ) Compatible & Easy Attaches with Simulator,allowing a more realistic training experience.8) Injection Syringe and Needle ..... ( not included - optional)company introduction:Tangshan UMG Medical Instrument Co.,Ltd.is thesale's company of UMGROUP Limited.We have factories and process dental chair, dental educational models & Simulator, dental cabinet and disposable consumable dentalmaterial many years for many other companies all of world. Such as Germany, Russia, Mexico,USA, ect. also other companies in China. From 2014 we begin to expand our own brand KSD dental chair and UMG simulator and disposable consumable dental material. Now we approval CE , FDAand ISO certificate and looking for each area distributors and sole agent. Hope we can Hand In Hand to supply best dental products to the world.UMGROUP is one of professional dental solution company in China, we can supply best solution for dental clinic include dental furniture and equipment and instrument and material. If any questions please let us know, we will try our best to help you.